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Clustered Storage System Enables Image Geoprocessing of Earth’s Surface

Isilon IQ Clustered Storage System
Isilon Systems
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NASA World Wind is an open-source, virtual globe software enabling users to zoom from satellite altitude into any place on Earth, providing an eye-level view of the Earth’s surface. World Wind works with i-cubed, a geoprocessing service organization in Colorado that performs the geoprocessing required to convert raw satellite data into high-resolution imagery of the Earth’s terrain. The data is then returned to World Wind for integration into Microsoft.NET-based application, staging, and online delivery.

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This World Wind image of Mt. Everest was obtained from Shuttle Radar Topography Mission (SRTM) and Landsat 7 data.
NASA World Wind is an open-source, virtual globe software enabling users to zoom from satellite altitude into any place on Earth, providing an eye-level view of the Earth’s surface. World Wind works with i-cubed, a geoprocessing service organization in Colorado that performs the geoprocessing required to convert raw satellite data into high-resolution imagery of the Earth’s terrain. The data is then returned to World Wind for integration into Microsoft.NET-based application, staging, and online delivery.

“By using a vast collection of processed satellite imagery, NASA World Wind enables anyone with Internet access to experience anyplace on Earth as if they were really there,” said Patrick Hogan, project manager of NASA World Wind. “To ensure that our online users’ experience is seamless and compelling, we require storage that delivers high concurrent performance for processing the raw satellite data, as well as immediate, reliable access for fast online delivery.”

To consolidate its collection of Landsat 7 satellite images into one namespace, NASA used the Isilon IQ. Additionally, Isilon clustered storage provided i-cubed’s geoprocessing applications with the throughput necessary to transform NASA’s raw Landsat 7 spectral data into high-resolution visuals of Earth, and then provide this processed imagery to NASA World Wind for online delivery.

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